General Information: Impreza: Engine
| Model | 2.0 L | |
| Engine type | Horizontally opposed, liquid cooled, 4-cylinder, 4-stroke gasoline engine | |
| Valve arrangement | DOHC | |
| Bore x stroke | mm (in) | 84.0 x 90.0 (3.31 x 3.54) |
| Displacement | cm3 (cu in) | 1, 995 (121.73) |
| Compression ratio | 10.5 | |
| Ignition order | 1 - 3 - 2 - 4 | |
| Idle speed at parking or neutral position | rpm | 650±100 |
| Maximum output | kW (HP)/rpm | 110 (147)/6, 200 |
| Maximum torque | N.m (kgf-m, ft-lb)/rpm | 196 (20.0, 145)/4, 200 |